.px3rem(@name,@px){
    @{name}:@px/75*1rem
}
footer{
    display: flex;
    justify-content: center;
    align-items: center;
    border-top: 1px solid #a9a9a9;
    background: #f2f2f2;
    .px3rem(height,95);
    bottom: 0;
    position: absolute;
    width: 100%;
    position: fixed;
    
    span{
        width: 25%;
        display: flex;
        flex-flow: column;
        justify-content: center;
        text-align: center;
        
        a{  .px3rem(font-size,23);
            color: #6d7578;
            text-decoration: none;
        }
        img{
            width: 28%;
        }
    }
}
